Impact of Clinical Decision Support on Antibiotic Prescribing for Acute Respiratory Infections: a Cluster Randomized Imp
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New York University School of Medicine, New York, NY, USA; 2University of Utah School of Medicine, Salt Lake City, UT, USA; 3Hofstra Northwell School of Medicine, New York, NY, USA; 4Boston University, Boston, MA, USA; 5University of Wisconsin School of Medicine and Public Health, Madison, WI, USA.
BACKGROUND: Clinical decision support (CDS) is a promising tool for reducing antibiotic prescribing for acute respiratory infections (ARIs). OBJECTIVE: To assess the impact of previously effective CDS on antibiotic-prescribing rates for ARIs when adapted and implemented in diverse primary care settings. DESIGN: Cluster randomized clinical trial (RCT) implementing a CDS tool designed to guide evidencebased evaluation and treatment of streptococcal pharyngitis and pneumonia. SETTING: Two large academic health system primary care networks with a mix of providers. PARTICIPANTS: All primary care practices within each health system were invited. All providers within participating clinic were considered a participant. Practices were randomized selection to a control or intervention group. INTERVENTIONS: Intervention practice providers had access to an integrated clinical prediction rule (iCPR) system designed to determine the risk of bacterial infection from reason for visit of sore throat, cough, or upper respiratory infection and guide evidence-based evaluation and treatment. MAIN OUTCOME(S): Change in overall antibiotic prescription rates. MEASURE(S): Frequency, rates, and type of antibiotics prescribed in intervention and controls groups. RESULTS: 33 primary care practices participated with 541 providers and 100,573 patient visits. Intervention providers completed the tool in 6.9% of eligible visits. Antibiotics were prescribed in 35% and 36% of intervention and control visits, respectively, showing no statistically significant difference. There were also no differences in rates of orders for rapid streptococcal tests (RR, 0.94;
Prior Presentations This work was presented at SGIM 2019. Electronic supplementary material The online version of this article (https://doi.org/10.1007/s11606-020-06096-3) contains supplementary material, which is available to authorized users. Received June 17, 2019 Accepted July 30, 2020
P = 0.11) or chest X-rays (RR, 1.01; P = 0.999) between groups. CONCLUSIONS: The iCPR tool was not effective in reducing antibiotic prescription rates for upper respiratory infections in diverse primary care settings. This has implications for the generalizability of CDS tools as they are adapted to heterogeneous clinical contexts. T R I A L R E G I S T R AT I O N : C l i n i c a l t r i a l s . g o v (NCT02534987). Registered August 26, 2015 at https:// clinicaltrials.gov KEY WORDS: user-centered design; clinical decision support; usability; health informatics; provider adoption. J Gen Intern Med DOI: 10.1007/s11606-020-06096-3 © Society of General Internal Medicine 2020
INTRODUCTION
Despite decades of research, inappropriate prescribing rates for acute respiratory complaints remain high. For example, half o
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